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| Math Central | Quandaries & Queries |
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Question from Marissa, a student: The angles in a triangle measure 7x-1, 18x+2, and 5x+10. Determine whether the triangle is acute, obtuse, or right. State your reasons clearly. |
Marissa,
What is the sum of these three expressions?
What is the sum of the angles in a triangle?
What are the angles? (It doesn't work out in very round numbers)
What sort of triangle must it be?
Good Hunting!
RD
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